linux-kernel - [PATCH] powerpc/cacheinfo: use default_groups in kobj

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Message-Id: <20220104155450.1291277-1-gregkh@linuxfoundation.org>
Date:   Tue,  4 Jan 2022 16:54:50 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>,
        Parth Shah <parth@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc/cacheinfo: use default_groups in kobj_type

There are currently 2 ways to create a set of sysfs files for a
kobj_type, through the default_attrs field, and the default_groups
field.  Move the powerpc cacheinfo sysfs code to use default_groups
field which has been the preferred way since aa30f47cf666 ("kobject: Add
support for default attribute groups to kobj_type") so that we can soon
get rid of the obsolete default_attrs field.

Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>
Cc: Parth Shah <parth@...ux.ibm.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/powerpc/kernel/cacheinfo.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
index cf1be75b7833..00b0992be3e7 100644
--- a/arch/powerpc/kernel/cacheinfo.c
+++ b/arch/powerpc/kernel/cacheinfo.c
@@ -710,7 +710,7 @@ static struct kobj_attribute cache_shared_cpu_list_attr =
 	__ATTR(shared_cpu_list, 0444, shared_cpu_list_show, NULL);
 
 /* Attributes which should always be created -- the kobject/sysfs core
- * does this automatically via kobj_type->default_attrs.  This is the
+ * does this automatically via kobj_type->default_groups.  This is the
  * minimum data required to uniquely identify a cache.
  */
 static struct attribute *cache_index_default_attrs[] = {
@@ -720,6 +720,7 @@ static struct attribute *cache_index_default_attrs[] = {
 	&cache_shared_cpu_list_attr.attr,
 	NULL,
 };
+ATTRIBUTE_GROUPS(cache_index_default);
 
 /* Attributes which should be created if the cache device node has the
  * right properties -- see cacheinfo_create_index_opt_attrs
@@ -738,7 +739,7 @@ static const struct sysfs_ops cache_index_ops = {
 static struct kobj_type cache_index_type = {
 	.release = cache_index_release,
 	.sysfs_ops = &cache_index_ops,
-	.default_attrs = cache_index_default_attrs,
+	.default_groups = cache_index_default_groups,
 };
 
 static void cacheinfo_create_index_opt_attrs(struct cache_index_dir *dir)
-- 
2.34.1